US9267667B2 - Kind of optical lens and a kind of miner's helmet lamp - Google Patents

Kind of optical lens and a kind of miner's helmet lamp Download PDF

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Publication number
US9267667B2
US9267667B2 US14/003,829 US201314003829A US9267667B2 US 9267667 B2 US9267667 B2 US 9267667B2 US 201314003829 A US201314003829 A US 201314003829A US 9267667 B2 US9267667 B2 US 9267667B2
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Prior art keywords
camber
light
reflective
optical lens
incident
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Expired - Fee Related, expires
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US14/003,829
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US20150043222A1 (en
Inventor
Wenda Jiang
Jinbo Jiang
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Huizhou Light Engine Ltd
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Huizhou Light Engine Ltd
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Assigned to HUIZHOU LIGHT ENGINE LIMITED reassignment HUIZHOU LIGHT ENGINE LIMITED ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: JIANG, JINBO, JIANG, Wenda
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • F21V13/045—Combinations of only two kinds of elements the elements being reflectors and refractors for portable lighting devices
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/0406—Accessories for helmets
    • A42B3/0433—Detecting, signalling or lighting devices
    • A42B3/044—Lighting devices, e.g. helmets with lamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/02—Refractors for light sources of prismatic shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0091—Reflectors for light sources using total internal reflection
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0028—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed refractive and reflective surfaces, e.g. non-imaging catadioptric systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • G02B19/0061—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
    • F21Y2101/02—
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention involves the field of optical device technology, in particular, a kind of optical lens and a kind of miner's helmet lamp.
  • LED lamps adopt parabola-shaped reflectors or total-reflection secondary optical lens to converge light emitted from LED.
  • the diameter of the lens has to be increased to more than 50 mm-60 mm. If the total-reflection lens structure as shown in FIG. 1 is adopted, the thickness of the lens will have to be greatly increased. In such a case, the lens will have a large shrinkage during the process of injection molding, making injection molding very difficult to realize. Moreover, with the increase of the thickness of the lens, the weight of the lens will be increased greatly as well.
  • the embodiments of the present invention provide a kind of optical lens and a kind of miner's helmet lamp, which can output beams at a narrow angle.
  • a kind of optical lens comprising a reflective surface and a light exit surface; wherein, in a circle with the central position of the said reflective surface as its center, at least a light distribution camber and a reflective camber are set up along the radius direction of the said reflective surface; in a circle with the central position of the said light exit surface as its center, at least a Fresnel annular surface and a surface are set up along the radius direction of the said light exit surface;
  • the said light distribution camber is used for refracting the light incident on the said reflective surface to the said Fresnel annular surface and the said surface;
  • the said reflective camber is used for reflecting the light incident on the said reflective camber to the said surface in collimation;
  • the said Fresnel annular surface is used for reflecting the light incident on the said Fresnel annular surface through the said light distribution camber from the said light exit surface in collimation;
  • the said surface is used for wholly reflecting the incident light through the said light distribution camber to the said reflective camber and for reflecting incident light through the said reflective camber from the said light exit surface in collimation.
  • first convex surface in the central position of the said reflective surface and a second convex surface in the central position of the said light exit surface; the said first convex surface and the said second convex surface meet the conditions for Kohler illumination.
  • ⁇ ⁇ ⁇ 2 tan - 1 ⁇ ( ⁇ ⁇ ⁇ 1 90 ⁇ tan ⁇ ⁇ ⁇ )
  • ⁇ 1 is the angle between the light incident on the said light distribution camber and the central optical axis of the said optical lens
  • ⁇ 2 is the angle between the light incident on the said light distribution camber refracted from the said light distribution camber and the central optical axis of the said optical lens
  • ⁇ is the angle between the periphery of the said surface to the central position of the reflective surface of the said optical lens and the central optical axis of the said optical lens.
  • the said ⁇ is 65°.
  • roof prisms array on the said reflective camber; the said roof prisms array is centered on the central position of the said reflective surface and arranged rotationally in a 360 degree; the said roof prisms array is used for reflecting the light incident on the said reflective camber to the said surface in collimation.
  • the said roof prisms are of a right-angled V-shaped groove structure; the light incident on the said roof prisms is wholly reflected to the two sides of the said right-angled V-shaped groove structure and then incident on the said surface in collimation; the cross section of the said right-angled V-shaped groove structure is a right-angled triangle; the vertex of the right angle is located at the said reflective camber and the two edges of the right angle are located on the two sides of the said right-angled V-shaped groove structure.
  • the angular spacing between the two adjacent roof prisms is 0.5°-10°.
  • the angular spacing between the two adjacent roof prisms is 1°.
  • a kind of miner's helmet lamp comprising any optical lens described above and a light source component.
  • the said light source component is a single LED lamp.
  • the optical lens in the embodiments of the present invention as set up above can shoot out the light emitted from the light source component in collimation and form focusing faculae, thus realizing the output of beams at a narrow angle. Moreover, this optical lens is thin and light with a large diameter.
  • FIG. 1 is a structure diagram of a miner's helmet LED lamp in prior art
  • FIG. 2 is a sectional drawing of a kind of optical lens in an embodiment of the present invention.
  • FIG. 3 a is a sectional drawing of a kind of optical lens in an embodiment of the present invention.
  • FIG. 3 b is a bottom view of the optical lens in the embodiment shown in FIG. 3 a;
  • FIG. 3 c is a vertical view of the optical lens in the embodiment shown in FIG. 3 a;
  • FIG. 3 d is an equiaxial side view of the optical lens in the embodiment shown in FIG. 3 a;
  • FIG. 4 is a light path drawing of the first convex surface and the second convex surface in the embodiment shown in FIG. 3 a;
  • FIG. 5 is a light distribution diagram of the light distribution camber in the embodiment shown in FIG. 3 a;
  • FIG. 6 is a diagram of relationship between ⁇ 2 and ⁇ 1 of the light distribution camber in the embodiment shown in FIG. 3 a;
  • FIG. 7 is a diagram of light path through the Fresnel annular surface and the surface in the embodiment shown in FIG. 3 a;
  • FIGS. 8 a - 8 b are diagrams of total reflection of light in roof prisms in the embodiment shown in FIG. 3 a;
  • FIG. 9 shows images of faculae at 1 m away from a miner's helmet lamp equipped with an optical lens in an embodiment of the present invention
  • FIG. 10 is a ray tracing diagram of an optical lens in an embodiment of the present invention.
  • FIG. 11 is an illuminance distribution diagram at 1 m away from an optical lens in an embodiment of the present invention.
  • FIG. 12 is a diagram of far-field angular distribution of light intensity in an embodiment of the present invention.
  • FIG. 13 is a diagram of actually tested light distribution curve of a miner's helmet lamp equipped with an optical lens in an embodiment of the present invention.
  • FIG. 2 a sectional drawing of a kind of optical lens in an embodiment of the present invention.
  • This optical lens comprises reflective surface 21 and light exit surface 22 ; wherein, in a circle with the central position of the reflective surface 21 as its center, at least a light distribution camber 211 and a reflective camber 212 are set up along the radius direction of the reflective surface 21 ; in a circle with the central position of the light exit surface 22 as its center, at least a Fresnel annular surface 221 and a surface 222 are set up along the radius direction of the light exit surface 22 .
  • the light distribution camber 211 is used for refracting the light incident on the reflective surface 21 to the Fresnel annular surface 221 and the surface 222 ;
  • the reflective camber 212 is used for reflecting the light incident on the reflective camber 212 to the surface 222 in collimation;
  • the Fresnel annular surface 221 is used for reflecting the light incident on the Fresnel annular surface 221 from the light exit surface 22 in collimation;
  • the surface 222 is used for wholly reflecting the incident light through the light distribution camber 221 to the reflective camber 212 and for reflecting incident light through the reflective camber 212 from the light exit surface 22 in collimation.
  • the light emitted from the light source component passes through the light distribution camber 211 on the reflective surface 21 of the optical lens first. After being reflected from the light distribution camber 211 , it is incident on the Fresnel annular surface 221 and the surface 222 .
  • the light incident on the Fresnel annular surface 221 and the surface 222 is reflected from the light exit surface 22 in collimation; the light incident on the surface 222 meets the requirements for total reflection [from the surface 222 ] and therefore is wholly reflected to the reflective camber 212 .
  • the light incident on the reflective camber 212 is reflected [from the reflective camber 212 ] in collimation and then is reflected through the surface 222 from the light exit surface 22 .
  • the optical lens in the embodiment of the present invention as set up above enables the light to undergo folded reflection inside the lens twice. It folds a long optical path in a relatively thin space, and can produce the light emitted from the light source component in collimation forming focusing faculae. Because the focus of the optical lens in the embodiment of the present invention is longer than the focus of the lens adopting prior art (only one total reflection) as shown in FIG. 1 , according to the law that size of the beam angle (full angle 2 ⁇ ) produced by this optical lens is
  • FIG. 3 a is a sectional drawing of a kind of optical lens in an embodiment of the present invention
  • FIG. 3 b is a bottom view of the optical lens
  • FIG. 3 c is a vertical view of the optical lens
  • FIG. 3 d is an equiaxial side view of the optical lens.
  • the optical lens is a circular lens and comprises reflective surface 31 and light exit surface 32 .
  • the reflective surface comprises the first convex surface 311 , light distribution camber 312 , transition camber 313 and reflective camber 314 .
  • the light exit surface comprises the second convex surface 321 , Fresnel annular surface 322 and surface 323 .
  • Flange 33 which is used for fixing other devices, can be set up at the periphery of the reflective surface and the light exit surface. It has no impact on optics and may assume any shape.
  • the first convex surface 311 is located in the central position of the reflective surface 31 of the optical lens, and is used for collecting the light emitted from LED chip and converging the light onto the vertex of the second convex surface 321 .
  • the light distribution camber 312 is a rotary cambered surface centered at the central position of the reflective surface 31 and revolving round the first convex surface 311 , and is used for evenly distributing the light emitted from LED chip to the Fresnel annular surface 322 and the surface 323 .
  • the transition camber 313 is a non-optical surface and a rotary cambered surface revolving round the light distribution camber 312 or a camber or conical surface of other kinds.
  • the reflective camber 314 is a rotary cambered surface centered at the central position of the reflective surface 31 and revolving round the transition camber 314 , and is used for reflecting the light incident on the reflective camber 314 to the surface 323 in collimation.
  • the second convex surface 321 is located at the central position of the light exit surface 32 and opposite to the first convex surface 311 . It is used for reflecting the light converged at the vertex of the second convex surface 321 .
  • the Fresnel annular surface 322 is centered at the central position of the light distribution surface 32 . It revolves round the second convex surface 321 and is used for reflecting the incident light distributed by the light distribution camber 312 in collimation.
  • the surface 323 is centered at the central position of the light distribution surface 32 . It revolves round the Fresnel annular surface 322 and is used for wholly reflecting the incident light distributed by the light distribution camber 312 to the reflective camber 314 .
  • the first convex surface 311 is right in the center of the reflective surface.
  • the first convex surface 311 coincides with the focal plane of the second convex surface 321 on the light exit surface.
  • the first convex surface 311 and the second convex surface 321 meet the conditions for Kohler illumination, that is, the first convex surface 311 forms the image of the light-emitting surface of LED chip at the vertex H of the second convex surface 321 , and the shape of the optical pupil of the first convex surface 311 is projected to a distant place through the second convex surface 321 . As shown in FIG.
  • the light emitted from the central position O of the light-emitting surface of LED chip at a smaller angle with the optical axis OZ of the optical lens (the optimal maximum angle between the light and the optical axis OZ is ⁇ 15° in the present invention) is collected by the first convex surface 311 . It is then refracted and focused at the vertex H of the second convex surface 321 before being projected outward.
  • the shape of the faculae reflected from the second convex surface 321 is that of the aperture of the first convex surface 311 , which is round.
  • the setup of the said first convex surface 311 and the second convex surface 321 avoids square faculae reflected due to the shape of the chip.
  • the tangent value of the semi-angle of their beams is equal to the ratio of the half of the aperture of the convex surface 11 to the focus of the convex surface 321 , which is within the range of ⁇ 10°-20°.
  • the optimal beam angle here is ⁇ 15°.
  • the beams reflected from the first convex surface 311 and the second convex surface 321 are used as ambient light.
  • the light distribution camber 312 distributes the part of light emitted from the central position O of the light-emitting surface of LED chip and forming a big angle with the optical axis OZ of the optical lens (the optimal maximum angle between this part of light and the optical axis OZ is ⁇ 15°- ⁇ 90° in the present invention), and the distributed beams are incident on the Fresnel annular surface 322 and the surface 323 at the vertex of the optical lens.
  • the light distribution camber 312 extends to OZ axis, i.e.
  • the angle between the light emitted from LED and the optical axis OZ is ⁇ 1
  • the angle between the refracted light and the optical axis OZ is ⁇ 2 (light distribution angle)
  • ⁇ ⁇ ⁇ 2 tan - 1 ⁇ ( ⁇ ⁇ ⁇ 1 90 ⁇ tan ⁇ ⁇ ⁇ )
  • ⁇ is the angle between the periphery of the surface 323 to the center O of the light-emitting surface of LED chip (or the central position of the reflective surface) and OZ axis.
  • the main purpose of satisfaction of the said tangent conditions is to relatively evenly distribute 0-90° beams emitted from LED at the aperture occupied by the surface 323 .
  • the light distribution at ⁇ 2 meets the following tangent conditions:
  • ⁇ ⁇ ⁇ 2 tan - 1 ⁇ ( ⁇ ⁇ ⁇ 1 90 ⁇ ° ⁇ tan ⁇ ⁇ 65 ⁇ ° )
  • the refracted light after light distribution by the light distribution camber 312 will be wholly distributed between 0° and 65° according to the aforesaid tangent conditions.
  • the beams are incident on the Fresnel annular surface 322 and the surface 323 on the light exit surface of the optical lens.
  • the Fresnel annular surface 322 will directly reflect the light with a small incident angle in collimation, as shown in FIG. 7 .
  • the light that meets the conditions for total reflection will be wholly reflected by the surface 323 , and then be incident on the reflective camber 314 at the bottom of the optical lens, and then be reflected by the reflective camber 314 and finally be reflected from the surface 323 , as shown in FIG. 7 .
  • a reflective coating can be put on the surface 323 , to reflect the incident light to the reflective camber 314 .
  • the reflective camber 314 needs to undergo certain technical process so that it can reflect the light to the surface 323
  • the reflective camber 314 may be plated with the reflective coating, so that this part of light will be reflected again and then be reflected from the surface 323 in collimation.
  • the adoption of the plating process will increase the cost of production; in addition, the reflective coating is easily to come off in the adverse environment with strong alkaline and acid at mining areas.
  • a micro-roof prisms array is set up at the reflective camber 314 .
  • These micro-roof prisms of the same structure are centered on the center O of the light-emitting surface of LED chip (or the central position of the reflective surface 31 ) and arranged rotationally in a 360 degree.
  • the said roof prisms array is used for reflecting the light incident on the reflective camber 314 to the surface 323 in collimation.
  • All the micro-roof prisms are of the same right-angled V-shaped groove structure. The light incident on the roof prisms is wholly reflected to the two sides of the right-angled V-shaped groove structure, then is incident on the surface 323 in collimation, and then is reflected from the surface 323 in collimation.
  • the cross section of the right-angled V-shaped groove structure is a right-angled triangle; the vertex of the right angle is located at the reflective camber 314 and the two edges of the right angle are located on the two sides of the right-angled V-shaped groove structure.
  • the contour of the section Q1P1R1 perpendicular to the V-shaped groove structure is a right-angled triangle, the included angle ⁇ Q1P1R1 at the bottom is a 90° right angle.
  • the light BC1 incident on the reflective camber 314 can undergo twice total reflections inside the roof prism of the right-angled V-shaped groove structure; first, the light will be wholly reflected by the first side P1Q1Q2P2 of the roof prism (the reflected light is C1C2); then, the light will be wholly reflected by the second side P1R1R2P2 of the roof prism (the reflected light is C2D); finally, this reflected light will be reflected from the surface 323 in collimation.
  • the angular spacing between the two adjacent micro-roof prisms may be 0.5°-10°.
  • the angular spacing is that when the micro-roof prisms are arranged rotationally centered around the optical axis OZ, the angle formed between the ridge lines of two adjacent roof prisms revolving round the optical axis OZ.
  • the angular spacing between the two adjacent micro-roof prisms is 1° in the present invention.
  • FIG. 9 shows the image of faculae at 1 m away from a miner's helmet lamp equipped with an optical lens in an embodiment of the present invention.
  • the faculae are very clean and transited gently and do not have any stray light.
  • the faculae comprise a very bright round facula in the center and a relatively dark round facula around the periphery of the bright facula.
  • the very bright facula in the center is produced by the reflective camber 314 in which a micro-roof prisms array is set up.
  • the relatively dark round facula around the periphery of the bright facula is produced by the first convex surface 311 , the second convex surface 321 and the Fresnel annular surface 322 on the optical lens.
  • FIG. 10 is a ray tracing diagram of an optical lens in an embodiment of the present invention.
  • FIG. 12 is a diagram of far-field angular distribution of light intensity in an embodiment of the present invention, i.e. light distribution curve.
  • the width of the beam angle at the half of the peak light intensity is about ⁇ 1.7°.
  • FIG. 13 is a diagram of actually tested light distribution curve of a miner's helmet lamp equipped with an optical lens in an embodiment of the present invention.
  • the regulated electric current is 105 mA.
  • the full beam angle of the faculae measured at the half of the peak light intensity is about 3.3°.
  • the optical lens in the embodiments of the present invention realizes output of beams at a narrow angle, and the lens is thin and light with a large diameter.
  • a single LED lamp is good enough to meet the illuminance requirement and support long periods of operation.
  • This optical lens does not need a reflective coating, as the reflective coating may easily come off, get rusty or corrode in the adverse environment with strong alkaline and acid.
  • the embodiments of the present invention also provide a kind of miner's helmet, which comprises a light source component and an optical lens fixed outside the light source component.
  • the said light source component may be LED.
  • the said optical lens may be any optical lens described in the aforesaid embodiments. Please refer to the aforesaid embodiments for details.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lenses (AREA)
  • Helmets And Other Head Coverings (AREA)
  • Luminescent Compositions (AREA)
US14/003,829 2012-07-13 2013-03-05 Kind of optical lens and a kind of miner's helmet lamp Expired - Fee Related US9267667B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201210243822.3 2012-07-13
CN201210243822 2012-07-13
CN201210243822.3A CN102748712B (zh) 2012-07-13 2012-07-13 一种光学透镜及一种矿帽灯
PCT/CN2013/072170 WO2014008762A1 (fr) 2012-07-13 2013-03-05 Lentille optique et lampe de casque de mineur

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US20150043222A1 US20150043222A1 (en) 2015-02-12
US9267667B2 true US9267667B2 (en) 2016-02-23

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US (1) US9267667B2 (fr)
CN (1) CN102748712B (fr)
AU (2) AU2013228036A1 (fr)
CA (1) CA2828159C (fr)
WO (1) WO2014008762A1 (fr)

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US20150124460A1 (en) * 2013-11-05 2015-05-07 Ningbo Self Electronics Co., Ltd. Lens and LED Module Having the Same
US20160138778A1 (en) * 2014-11-19 2016-05-19 Lg Innotek Co., Ltd. Light emitting device package and backlight unit including the same

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CN102748712B (zh) * 2012-07-13 2014-04-16 惠州元晖光电股份有限公司 一种光学透镜及一种矿帽灯
CN103851537B (zh) * 2012-11-30 2017-07-25 海洋王（东莞）照明科技有限公司 Led灯具及其透镜
CN103807807B (zh) * 2014-02-18 2016-03-30 浙江生辉照明有限公司 用于led灯的透镜
US9488864B2 (en) * 2014-06-28 2016-11-08 Radiant Choice Limited Light distributing optical component
US9568768B2 (en) 2014-06-28 2017-02-14 Radiant Choice Limited Wavelength mixing optical component
JP6437252B2 (ja) * 2014-09-11 2018-12-12 株式会社エンプラス 光束制御部材、発光装置および照明装置
US10041646B2 (en) * 2015-05-01 2018-08-07 Cooper Technologies Company Optic and apparatus for making an optic
US9806242B2 (en) * 2015-09-23 2017-10-31 Hon Hai Precision Industry Co., Ltd. Optical lens for light emitting diode device
CN105276524B (zh) * 2015-11-23 2019-04-16 惠州市西顿工业发展有限公司 一种可变焦的光学透镜
CN105371131B (zh) * 2015-12-10 2023-02-24 欧普照明股份有限公司 光束控制装置、发光装置以及照明设备
CN107062026B (zh) * 2017-03-30 2022-12-27 佛山指南针光学科技有限公司 一种复合全反射led射灯透镜
CN108916798A (zh) * 2017-04-05 2018-11-30 长春海拉车灯有限公司 一种用于led光源的配光装置及具有该配光装置的车灯
DE102017116885B4 (de) * 2017-07-26 2023-04-06 Ledvance Gmbh Leuchtmittel und Linse für ein Leuchtmittel
US11595556B2 (en) 2020-08-31 2023-02-28 Linbin Shen Broadcast lighting system and the method of use thereof
CN113790416A (zh) * 2021-09-16 2021-12-14 青岛易来智能科技股份有限公司 透镜及具有其的照明设备
CN115185023B (zh) * 2022-06-22 2024-03-26 宁波舜宇奥来技术有限公司 微透镜结构

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020085390A1 (en) * 2000-07-14 2002-07-04 Hironobu Kiyomoto Optical device and apparatus employing the same
US20070159847A1 (en) * 2006-01-12 2007-07-12 Genius Electronic Optical Co. Ltd. Collimating lens for LED lamp

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10085238T5 (de) * 1999-11-30 2004-04-29 Omron Corp. Optisches Bauteil und Vorrichtung mit diesem optischen Bauteil
US6896381B2 (en) * 2002-10-11 2005-05-24 Light Prescriptions Innovators, Llc Compact folded-optics illumination lens
JP4100155B2 (ja) * 2002-12-05 2008-06-11 オムロン株式会社 発光光源、発光光源アレイ及び当該発光光源を用いた機器
JP2005197320A (ja) * 2003-12-26 2005-07-21 Omron Corp 発光光源および当該発光光源を用いた光学装置
JP5253888B2 (ja) * 2008-02-22 2013-07-31 株式会社小糸製作所 車両用照明灯具
DE102009021182A1 (de) * 2009-05-13 2010-11-18 Hella Kgaa Hueck & Co. Beleuchtungsvorrichtung für Straßen
CN102230592A (zh) * 2011-07-22 2011-11-02 浙江晶日照明科技有限公司 一种具有菲涅尔透镜的射灯组件
CN202158497U (zh) * 2011-07-26 2012-03-07 讯凯国际股份有限公司 光学透镜及具有该光学透镜的发光装置
CN202691900U (zh) * 2012-04-17 2013-01-23 欧司朗股份有限公司 透镜和包括该透镜的照明装置
CN102748712B (zh) * 2012-07-13 2014-04-16 惠州元晖光电股份有限公司 一种光学透镜及一种矿帽灯

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020085390A1 (en) * 2000-07-14 2002-07-04 Hironobu Kiyomoto Optical device and apparatus employing the same
US20070159847A1 (en) * 2006-01-12 2007-07-12 Genius Electronic Optical Co. Ltd. Collimating lens for LED lamp

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150124460A1 (en) * 2013-11-05 2015-05-07 Ningbo Self Electronics Co., Ltd. Lens and LED Module Having the Same
US9453622B2 (en) * 2013-11-05 2016-09-27 Self Electronics Co., Ltd. Lens and LED module having the same
US20160138778A1 (en) * 2014-11-19 2016-05-19 Lg Innotek Co., Ltd. Light emitting device package and backlight unit including the same
US10145532B2 (en) * 2014-11-19 2018-12-04 Lg Innotek Co., Ltd. Light emitting device package and backlight unit including the same

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WO2014008762A1 (fr) 2014-01-16
CN102748712B (zh) 2014-04-16
AU2013228036A1 (en) 2014-01-30
AU2015238892A1 (en) 2015-10-29
US20150043222A1 (en) 2015-02-12
CN102748712A (zh) 2012-10-24
CA2828159A1 (fr) 2014-01-13

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